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Get approximate IP details.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port.
Get the gravatar.com globally recognized avatar for any email.
Get the web-host of a given website.
Easily generate your own custom signature and download it with ease.
Make sure your passwords are good enough.
Parse details from user agent strings.
Convert text to binary and the other way for any string input.